#!/bin/bash

#=================================================
# GENERIC START
#=================================================
# IMPORT GENERIC HELPERS
#=================================================

source _common.sh
source /usr/share/yunohost/helpers

#=================================================
# MANAGE SCRIPT FAILURE
#=================================================

# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

#=================================================
# RETRIEVE ARGUMENTS FROM THE MANIFEST
#=================================================

domain=$YNH_APP_ARG_DOMAIN
path_url=$YNH_APP_ARG_PATH
admin=$YNH_APP_ARG_ADMIN
password=$YNH_APP_ARG_PASSWORD
language=$YNH_APP_ARG_LANGUAGE
ssoenabled=$YNH_APP_ARG_SSOENABLED
timezone=$(cat /etc/timezone)

### If it's a multi-instance app, meaning it can be installed several times independently
### The id of the app as stated in the manifest is available as $YNH_APP_ID
### The instance number is available as $YNH_APP_INSTANCE_NUMBER (equals "1", "2", ...)
### The app instance name is available as $YNH_APP_INSTANCE_NAME
###    - the first time the app is installed, YNH_APP_INSTANCE_NAME = ynhexample
###    - the second time the app is installed, YNH_APP_INSTANCE_NAME = ynhexample__2
###    - ynhexample__{N} for the subsequent installations, with N=3,4, ...
### The app instance name is probably what interests you most, since this is
### guaranteed to be unique. This is a good unique identifier to define installation path,
### db names, ...
app=$YNH_APP_INSTANCE_NAME

#=================================================
# CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
#=================================================

final_path=/var/www/$app
test ! -e "$final_path" || ynh_die "This path already contains a folder"

# Normalize the url path syntax
path_url=$(ynh_normalize_url_path $path_url)

# Check web path availability
ynh_webpath_available $domain $path_url
# Register (book) web path
ynh_webpath_register $app $domain $path_url


#=================================================
# STORE SETTINGS FROM MANIFEST
#=================================================

# Save app settings
ynh_app_setting_set "$app" admin "$admin"
ynh_app_setting_set "$app" ssoenabled "$ssoenabled"
ynh_app_setting_set "$app" path "$path_url"


#=================================================
# STANDARD MODIFICATIONS
#=================================================
# FIND AND OPEN A PORT
#=================================================

# Find a free port
port=$(ynh_find_port 9537)
# Open this port
yunohost firewall allow --no-upnp TCP "$port" 2>&1
ynh_app_setting_set "$app" port "$port"

#=================================================
# INSTALL DEPENDENCIES
#=================================================

# Install packages
ynh_install_app_dependencies php-gd php-curl php-imagick php-cli php-zmq

#=================================================
# CREATE A MYSQL DATABASE
#=================================================

db_name=$(ynh_sanitize_dbid "$app")
db_user=$db_name
ynh_app_setting_set "$app" db_name "$db_name"
ynh_mysql_setup_db "$db_user" "$db_name"

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================

ynh_app_setting_set "$app" final_path "$final_path"

ynh_setup_source "$final_path"

#=================================================
# NGINX CONFIGURATION
#=================================================

# Create a dedicated nginx config
ynh_add_nginx_config

ynh_replace_string "//ws/" "/ws/" "$finalnginxconf" # Avoid duplicate /

#=================================================
# CREATE DEDICATED USER
#=================================================

# Create a system user
ynh_system_user_create "$app"

#=================================================
# PHP-FPM CONFIGURATION
#=================================================

# Create a dedicated php-fpm config
ynh_replace_string "YHTZ" "$timezone" ../conf/php-fpm.ini
ynh_add_fpm_config

#=================================================
# SET CONFIGURATION FILE
#=================================================

# TODO: add checksum
cp ../conf/db.inc.php  "$final_path/config/db.inc.php"

ynh_replace_string "__DB_USER__" "$db_user"   "$final_path/config/db.inc.php"
ynh_replace_string "__DB_PWD__"  "$db_pwd"    "$final_path/config/db.inc.php"
ynh_replace_string "__DB_NAME__" "$db_name"   "$final_path/config/db.inc.php"

## TODO: consider installation in a subpath
ynh_replace_string "'/ws/'" "'${path_url%/}/ws/'" \
    "$final_path/app/assets/js/movim_websocket.js"

#=================================================
# Install PHP dependencies using composer
#=================================================

(
	cd "$final_path"
	export COMPOSER_HOME=$final_path
	curl -sS https://getcomposer.org/installer | php -- --install-dir="$final_path" \
		&& php composer.phar config --global discard-changes true --quiet \
		&& php composer.phar install --no-interaction --quiet
)

#=================================================
# SETUP SYSTEMD
#=================================================

# Create a dedicated systemd config
ynh_replace_string "__URL__"  "${domain}${path_url}" ../conf/systemd.service
ynh_replace_string "__PORT__" "${port}"              ../conf/systemd.service
ynh_add_systemd_config

#=================================================
# Set-up database and configuration
#=================================================

(
	cd "$final_path"
	php mud.php db --set
	php mud.php config --loglevel=1 \
	    --locale="$language" --timezone="$timezone" \
	    --username="$admin" --password="$password"
)

#=================================================
# GENERIC FINALIZATION
#=================================================
# SET PERMISSIONS
#=================================================

# TODO: use more strict permissions
chown -R "$app":www-data "$final_path"
find "${final_path}/" -type f -print0 | xargs -0 chmod 0644
find "${final_path}/" -type d -print0 | xargs -0 chmod 0755
chmod 400 "${final_path}/config/db.inc.php"

#=================================================
# SETUP SSOWAT
#=================================================

# SSOwat configuration
if [[ "$ssoenabled" = "No" ]]; then
    ynh_app_setting_set "$app" skipped_uris "/"
   (cd "$final_path" && php mud.php config --xmppwhitelist="$domain")
    undo_sso_patch
else
    ynh_app_setting_set "$app" unprotected_uris "/"
fi

#=================================================
# RELOAD NGINX
#=================================================

service nginx reload